Gearbox Multiple Choice Questions and Answers

Questions

1 Which of the following is the need of the gearbox?

A To vary the speed of the vehicle

B To vary the torque of the vehicle

C To vary the power of the vehicle

D To vary the acceleration of the vehicle

View Answer

Answer: To vary the torque of the vehicle

2 In which of the gearbox all gears are always in contact?

A Constant-mesh gearbox

B Sliding mesh gearbox

C Synchromesh gearbox

D Epicyclical gearbox

View Answer

Answer: Constant-mesh gearbox

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23 Which of the following is not part of automatic transmission?

A Epicyclic gearbox

B Torque convertor

C Multi-plate clutch

D Sliding mesh gearbox

View Answer

Answer: Sliding mesh gearbox

4 In which of the configuration of epicyclic gearbox output will be forward and fast output speed?

A Sun gear stationary, ring gear driven, planet carrier driving

B Sun gear driving, ring gear driven, planet carrier stationary

C Sun gear driven, ring gear stationary, planet carrier driving

D None of the above

View Answer

Answer: Sun gear stationary, ring gear driven, planet carrier driving

5 Which types of gears are used in constant mesh gearbox?

A Spur gear

B Helical gear

C Bevel gear

D All of the above

View Answer

Answer: Helical gear

6 Why are the helical gears used commonly in transmission over spur gears?

A Low cost and high strength

B Low noise level and high strength

C Low noise level and economy

D Low noise level and low cost

View Answer

Answer: Low noise level and high strength

7 The free wheeling mechanism contains

A A planetary gear

B A transmission

C An over running clutch

D None Of The Above

View Answer

Answer: An over running clutch

8 There are two separate movements of the gear shift lever for changing the gears.The first movement selects

A The shaft to be moved

B The shaft pedal to be moved

C Shifter fork which operates gear assembly to be moved

D None of these

View Answer

Answer: Shifter fork which operates gear assembly to be moved

9 In the transmission, the reverse idler gear always mesh with

A Counter shaft drive gear

B Counter shaft low gear

C Main shaft reverse gear

D Counter shaft reverse gear

View Answer

Answer: Counter shaft reverse gear

10 In the coil spring type of clutch when the pressure plate and cover are separated, the spring pressure must be held by

A Hand

B An arbor press

C A lever

D A heavy weight

View Answer

Answer: An arbor press

11 As a general rule in facings on the friction disc are worn down to the rivet heads

A Rivets should be replaced

B The friction disc should be replaced

C The clutch should be replaced

D None of the Above

View Answer

Answer: The friction disc should be replaced

12 The front end of the clutch shaft is supported in a pilot bearing in the

A Throw out bearing

B Friction disc

C Crankshaft

D None of the above

View Answer

Answer: Crankshaft

13 When the clutch is engaged, spring pressure clamps the friction disc between the pressure plate and the

A Flywheel

B Differential

C Reaction plate

D Clutch pedal

View Answer

Answer: Flywheel

14 The free travel of the medal, or pedal lash is the amount of travel the pedal has before the throw out bearing comes up against the

A Release levers

B Flywheel

C Floor board

D All of the above

View Answer

Answer: Release levers

15 Overdrive is provided in the transmission of a vehicle to

A Reach higher road speeds

B improved fuel consumption

C achieve better acceleration

D None of these

View Answer

Answer: improved fuel consumption

16 The number of gear ratios in a vehicle

A Is more with high powered vehicle

B Is less with high powered cars

C Is more with diesel engine heavy vehicles

D None of the above

View Answer

Answer: Is more with high powered vehicle

17 The main advantage of a fluid coupling is

A In its low torque capacity at low speeds

B Steady state torque characteristic

C Due to its ability to slip

D Due to its ability to function fluid medium

View Answer

Answer: Due to its ability to slip

18 The hydrodynamic torque converter

A Gives a continuous variation of torque with increase of output speed

B Enables to get the max. h.p continuously

C Gives a speed variation without torque variation

D Maintains a high efficiency throughout the operating speed range

View Answer

Answer: Gives a continuous variation of torque with increase of output speed

19 An automatic transmission works on the principle of

A Centrifugal device making up changes proportional to road speed

B Centrifugal device connected to crankshaft making up changes prop. to engine speed

C Makes changes depending on throttle position in conjunction with road speed governor

D None of the above

View Answer

Answer: Makes changes depending on throttle position in conjunction with road speed governor

20 The clutch cover is bolted to the

A Friction disc

B Flywheel

C Car frame

D None Of The Above

View Answer

Answer: Flywheel

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